+Rect camera_view_port_screen(const Camera *camera);
+
+Vec2f camera_map_screen(const Camera *camera,
+ Sint32 x, Sint32 y);
+
+Vec2f camera_point(const Camera *camera, const Vec2f p);
+Rect camera_rect(const Camera *camera, const Rect rect);
+
+int camera_fill_rect_screen(const Camera *camera,
+ Rect rect,
+ Color color);
+
+const Sprite_font *camera_font(const Camera *camera);
+